All available race results Jozef "Jef" Duyvejonck
| Date | Race | Rank |
| 29/03 | Omloop der Vlaamsche Gewesten | 43 |
Rider information for 1931
| Rank | 1191 |
| Score | 0 |
| Name | Jozef "Jef" DUYVEJONCK |
| Country | Belgium |
| Team | Individual |
| Date | Race | Rank |
| 29/03 | Omloop der Vlaamsche Gewesten | 43 |
| Rank | 1191 |
| Score | 0 |
| Name | Jozef "Jef" DUYVEJONCK |
| Country | Belgium |
| Team | Individual |